February 24, 2024


The value of truth

MIPI Alliance and Automotive SerDes Alliance enter liaison agreement

2 min read

The MIPI Alliance, an worldwide organization that develops interface requirements for cellular and cell-affected industries, and the Automotive SerDes Alliance (ASA), a non-revenue field alliance of automotive technology companies collaborating to standardize asymmetric SerDes technologies, introduced currently that the two organizations have entered into a liaison settlement.

The terms of the agreement develop a pathway so that implementers will be able to use MIPI Digital camera Serial Interface 2 (MIPI CSI-2)—widely thought of the preferred camera and graphic sensor interface by the prolonged automotive ecosystem—directly, or “natively,” with the ASA Motion Link (ASA-ML) bodily layer (PHY) interface. Supporting specs would also be produced out there by this pathway, this sort of as MIPI Digital camera Services Extensions (MIPI CSE), which supplies protocol-layer stability and added purposeful basic safety support.

Supply: Automotive SerDes Alliance

MIPI and ASA each have standardized uneven SerDes PHY interfaces (MIPI A-PHY and ASA-ML, respectively) for automotive apps these as sophisticated driver-assistance systems (ADAS), autonomous driving devices (Ads) and in-automobile infotainment (IVI) that rely on cameras/sensors and displays. MIPI associates can implement CSI-2 specifically only with a MIPI PHY (i.e., A-/C-/D-PHY) or MIPI Board-accredited non-MIPI PHY. Products and solutions incorporating other PHYs could make use of CSI-2 with a “bridge” unit next a MIPI-permitted PHY. On profitable completion of the method described under this liaison, ASA-ML will be accredited for indigenous integration with CSI-2.

Each MIPI and ASA to gain from their IP licensing terms

Beneath the agreement, ASA will produce an Application Stream Encapsulation Protocol (ASEP) to help native CSI-2 transportation above the ASA Movement Url PHY. Once the CSI-2 ASEP is permitted by MIPI, ASA will contain the CSI-2 ASEP in its next specification launch as the only suggested digicam protocol interface. Implementation of CSI-2 in excess of ASA Motion Link will involve memberships in both MIPI and ASA to benefit from their respective mental property licensing terms. The settlement also gives for ongoing dialogue concerning the organizations on other possibilities for collaboration, these as the use of MIPI Exhibit Serial Interface 2 (MIPI DSI-2) and stability-linked requirements.

“This arrangement supports the ongoing coalescence all over MIPI CSI-2 in automotive purposes,” explained Sanjiv Desai, chair of the MIPI Alliance. “The specification is already strongly set up in the current market, and we believe alignment on CSI-2 will help foster a streamlined advancement setting for the world-wide automotive industry. At the very same time, MIPI will proceed to assist MIPI A-PHY and the rapidly increasing ecosystem close to it.”

“ASA is delighted to operate with the MIPI Alliance to extend the methods the ASA-ML SerDes can be deployed in automotive industry,” claimed Christoph Arndt, chair of the ASA Alliance. “The ASA-ML specification has been tuned for multi-gigabit connectivity in harsh automotive environments and as a consequence has been getting potent momentum. This liaison results in a pathway to new implementations and a broader ecosystem.”


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